Definitions
,
Results
,
Conjectures
▾
Set of symbols
▾
Alphabet
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Deduction system
▾
Theory
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Zermelo-Fraenkel set theory
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Set
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Collection of sets
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Set union
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Successor set
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Inductive set
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Set of inductive sets
Set of natural numbers
Formulation 0
Let $\text{Ind}$ be the
D2224: Set of inductive sets
.
The
set of natural numbers
is the
D11: Set
\begin{equation} \mathbb{N} : = \cap \text{Ind} \end{equation}
Also known as
Set of unsigned integers
Child definitions
»
D3202: Basic natural number set density
»
D3200: Lower basic natural number set density
»
D1042: Set of digits
»
D4595: Set of Fibonacci numbers
»
D367: Set of integers
»
D3201: Upper basic natural number set density